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D60-sensitive tyrosine phosphorylation is involved in Fas-mediated phospholipase D activation

Kim JG, Shin IC, Lee KS, Han JS

  • KMID: 1457546
  • Exp Mol Med.
  • 2001 Dec;33(4):303-309.
Both Fas and PMA can activate phospholipase D via activation of protein kinase Cbeta in A20 cells. Phospholipase D activity was increased 4 fold in the presence of Fas and...
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Antiproliferation and Redifferentiation in Thyroid Cancer Cell Lines by Polyphenol Phytochemicals

Kang HJ, Youn YK, Hong MK, Kim LS

Thyroid carcinogenesis is accompanied by loss of thyroid-specific functions and refractory to radioiodine and thyroid stimulating hormone (TSH) suppression therapy. Redifferentiating agents have been shown to inhibit tumor growth and...
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Stimulation of macrophage function by S-antigen: production of nitric oxide

Bae SR

In this study, we investigated whether retinal soluble proteins, such as S-antigen, play a role in the induction of nitric oxide by macrophages in vitro. Cells from the murine macrophage...
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Apoptotic Effects of Genistein, Biochanin-A and Apigenin on LNCaP and PC-3 Cells by p21 through Transcriptional Inhibition of Polo-like Kinase-1

Seo YJ, Kim BS, Chun SY, Park YK, Kang KS, Kwon TG

Natural isoflavones and flavones are important dietary factors for prostate cancer prevention. We investigated the molecular mechanism of these compounds (genistein, biochanin-A and apigenin) in PC-3 (hormone-independent/p53 mutant type) and...
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zVAD-fmk, unlike BocD-fmk, does not inhibit caspase-6 acting on 14-3-3/Bad pathway in apoptosis of p815 mastocytoma cells

Yee SB, Baek SJ, Park HT, Jeong SH, Jeong JH, Kim TH, Kim JM, Jeong BK, Park BS, Kwon TK, Yoon I, Yoo YH

  • KMID: 1115941
  • Exp Mol Med.
  • 2006 Dec;38(6):634-642.
In a preliminary study, we found that benzyloxycarbonyl-Val-Ala-Asp(OMe)-fluoromethylketone (zVAD- fmk), unlike Boc-aspartyl(OMe)-fluoromethylketone (BocD-fmk), at usual dosage could not prevent genistein-induced apoptosis of p815 mastocytoma cells. This study was undertaken to...
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Corn silk induces nitric oxide synthase in murine macrophages

Kim KA, Choi SK, Choi HS

  • KMID: 1103321
  • Exp Mol Med.
  • 2004 Dec;36(6):545-550.
Corn silk has been purified as an anticoagulant previously and the active component is a polysaccharide with a molecular mass of 135 kDa. It activates murine macrophages to induce nitric...
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Cross-linking of CD4 induces cytoskeletal association of CD4 and p56lck

Ha-Lee YM, Lee YS, Kim YK, Sohn JW

  • KMID: 927129
  • Exp Mol Med.
  • 2000 Mar;32(1):18-22.
A membrane glycoprotein CD4 functions as a co-receptor of a T lymphocyte. The co-receptor function has been attributed to a protein tyrosine kinase, p56lck, which is activated upon CD4 binding...
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The synthetic peptide, His-Phe-Tyr-Leu-Pro-Met, is a chemoattractant for Jukat T cells

Kim YD, Bae YS, Park JC, Suh PG, Ryu SH

  • KMID: 1457539
  • Exp Mol Med.
  • 2001 Dec;33(4):257-262.
His-Phe-Tyr-Leu-Pro-Met (HFYLPM) is a synthetic peptide that stimulates Jurkat T cells resulting in intracellular calcium ([Ca2+]i) increase in a pertussis toxin (PTX)-sensitive manner. We have examined the physiological role of...
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Impact of Lysophosphatidylcholine on the Plasminogen Activator System in Cultured Vascular Smooth Muscle Cells

Yoon BK, Kang YH, Oh WJ, Park K, Lee DY, Choi D, Kim DK, Lee Y, Rhyu MR

The balance between tissue-type plasminogen activator (t-PA) and plasminogen activator inhibitor type 1 (PAI-1) regulates fibrinolysis. PAI-1 expression increases in atherosclerotic arteries and vascular smooth muscle cells (VSMCs) are one...
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Phospholipase D is involved in oxidative stress-induced migration of vascular smooth muscle cells via tyrosine phosphorylation and protein kinase C

Kim J, Min G, Bae YS, Min DS

  • KMID: 1380203
  • Exp Mol Med.
  • 2004 Apr;36(2):103-109.
Oxidative stress has been implicated in mediation of vascular disorders. In the presence of vanadate, H2O2 induced tyrosine phosphorylation of PLD1, protein kinase C-a (PKC-a), and other unidentified proteins in...
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Interleukin-1beta promotes the expression of monocyte chemoattractant protein-1 in human aorta smooth muscle cells via multiple signaling pathways

Lim JH, Um HJ, Park JW, Lee IK, Kwon TK

Monocyte chemoattractant protein-1 (MCP1) plays a key role in monocyte/macrophage infiltration to the sub-endothelial space of the blood vessel wall, which is a critical initial step in atherosclerosis. In this...
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Signaling pathway for 2,3,7,8-tetrachlorodibenzo- p-dioxin-induced TNF-alpha production in differentiated THP-1 human macrophages

Cheon HJ, Woo YS, Lee JY, Kim HS, Kim HJ, Cho S, Won NH, Sohn J

  • KMID: 756076
  • Exp Mol Med.
  • 2007 Aug;39(4):524-534.
2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD), a prototypic halogenated aromatic hydrocarbon (HAH), is known as one of the most potent toxicants. At least a part of its toxic effects appears to be derived from...
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